PDF Merger
Popular
Combine multiple PDF documents into a single organized file in seconds entirely in your browser.
Runs entirely on your machine. Zero bytes uploaded to the cloud.
Loading tool workspace...
About PDF Merger
Drag and drop multiple PDF files, reorder pages, and merge them into a single clean PDF document using client-side WebAssembly and pdf-lib.
Related Tools
Complementary zero-upload browser tools for your workflow
PDF Tools
Local
PDF Splitter
Extract specific page ranges or split a PDF into separate files without uploading.
Open Tool
PDF Tools
Local
PDF Rotator
Rotate individual pages or entire PDF files by 90, 180, or 270 degrees clockwise.
Open Tool
Image Tools
Popular
Image Format Converter
Convert images between WebP, PNG, and JPG instantly in your browser with zero quality loss.
Open Tool
Frequently Asked Questions about PDF Merger
Is there a file size or page limit?▼
There are no server limits because files are processed by your computer's memory. You can merge large documents smoothly.